Finding the Fourth Proportional to 9,341.27, 12,890.18 and 5,361.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,341.27 : 12,890.18 = 5,361.54 : x
2. Step 2: Convert to fraction form
   9,341.27/12,890.18 = 5,361.54/x
3. Step 3: Cross multiply
   9,341.27x = 12,890.18 × 5,361.54
4. Step 4: Simplify right side
   9,341.27x = 69,111,188.87
5. Step 5: Solve for x
   x = 69,111,188.87/9,341.27
6. Step 6: Final answer
   x = 7,398.48